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V-Lab

PowerBank Corp GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

75.79%

decreased by 1.23%

1 Week

83.83%

increased by 6.81%

1 Month

100.24%

increased by 23.22%

Analysis last updated: Friday, July 24, 2026 at 09:57 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of PowerBank Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 8, 2024 to Jul 24, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 195% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.7426
6.21***
α

ARCH

Response to squared shocks

0.3367
5.38***
β

GARCH

Volatility persistence

0.6883
20.32***
γ

leverage

Additional response to negative shocks

-0.2227
-3.71***

Persistence:

0.914

Half-life:

8 days